玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q4 (20)18.35-39.6423.820.05400.0400.04.9665.89-19.221944.24-81.08-69.56163.57-80.23-71.171785.63-81.11-69.35
24Q3 (19)30.40210.8482.470.010.0-50.02.99-67.85-45.2410276.205.86138.42827.2411.72161.229451.995.3136.36
24Q2 (18)9.78-14.29-68.540.010.0-50.09.3016.69217.419707.1224.4666.12740.454.7769.518975.9726.4165.93
24Q1 (17)11.41-23.01-94.940.010.0-80.07.9729.81892.57799.3722.13348.42706.7224.55388.847100.6221.9345.14
23Q4 (16)14.82-11.04-94.110.01-50.0-93.756.1412.451605.566386.3148.171005.97567.4179.171144.875825.0445.66994.48
23Q3 (15)16.66-46.41-43.350.020.0-50.05.4686.3576.74310.21-26.2488.56316.68-27.5100.713998.99-26.0787.64
23Q2 (14)31.09-86.226.660.02-60.0-33.332.93632.5-6.095843.31235.96123.66436.82202.15157.155409.42239.12121.17
23Q1 (13)225.64-10.32579.230.05-68.7525.00.4011.11-85.41739.30201.21-18.73144.57217.185.891595.13199.71-20.49
22Q4 (12)251.60755.491313.480.16300.0433.330.36-88.35-92.95577.44-74.74-78.445.58-71.11-77.45532.22-75.03-78.51
22Q3 (11)29.410.89115.30.0433.3333.333.09-0.96-53.62285.90-12.5-22.19157.78-7.12-44.672131.22-12.86-19.86
22Q2 (10)29.15-12.25107.180.03-25.050.03.1213.87-51.782612.5922.08-36.32169.8724.42-62.942445.8421.91-33.0
22Q1 (9)33.2286.63149.030.0433.3333.332.74-46.38-59.822140.11-19.94-41.04136.53-32.47-67.322006.32-18.97-37.66
21Q4 (8)17.8030.3137.130.030.00.05.11-23.27-27.12673.21-9.0-5.03202.17-29.1-35.332476.15-6.89-1.32
21Q3 (7)13.66-2.9172.040.0350.050.06.662.94-41.942937.73-28.39-29.56285.15-37.79-47.712659.24-27.16-26.88
21Q2 (6)14.075.47625.260.02-33.33100.06.47-5.13-86.244102.4513.03-60.73458.359.71-68.863650.5713.42-59.54
21Q1 (5)13.342.77203.180.030.050.06.82-2.71-67.013629.5128.95-29.29417.7933.64-45.933218.5428.27-26.54
20Q4 (4)12.9863.480.00.0350.00.07.01-38.880.02814.76-32.510.0312.63-42.670.02509.15-31.00.0
20Q3 (3)7.94309.280.00.02100.00.011.47-75.60.04170.44-60.080.0545.29-62.960.03636.61-59.690.0
20Q2 (2)1.94-55.910.00.01-50.00.047.01127.430.010447.60103.530.01471.9790.490.09022.63105.940.0
20Q1 (1)4.400.00.00.020.00.020.670.00.05133.160.00.0772.720.00.04381.110.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)30.93-85.840.08-20.011.80606.594682.0231.46434.5725.514259.2532.4
2023 (9)218.49-10.610.10-62.961.6712.083561.62162.67346.25232.583217.04156.69
2022 (8)244.43354.330.27125.01.49-78.021355.91-55.91104.11-64.261253.29-55.1
2021 (7)53.8052.970.1250.06.78-34.683075.51-31.22291.26-56.032791.04-26.92
2020 (6)35.17-48.290.08-61.910.3893.34471.23154.42662.41202.713819.19147.36
2019 (5)68.02180.730.21-4.555.37-64.341757.434.78218.83130.471543.97-3.34
2018 (4)24.2320.370.2246.6715.06-16.931677.29-29.2794.9538.291597.40-31.17
2017 (3)20.13-67.720.15114.2918.13209.912371.25-51.6768.66-41.442320.72-51.6
2016 (2)62.37-40.720.07133.335.8568.594906.34-61.55117.25-64.224794.94-61.44
2015 (1)105.2256.340.030.03.47-35.9812758.9012.23327.67161.4512434.7010.54

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