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
24Q1 (20)3.5049.5735.141.0831.710.025.98-33.26-26.0583.99-23.93-0.618.97-20.13-5.5791.00-27.54-8.58
23Q4 (19)2.34-7.5178.630.82-13.6846.4338.938.23-44.03110.4115.29-32.3123.7522.17-31.4125.5911.84-36.58
23Q3 (18)2.5343.7513.450.955.560.035.97-30.56-11.995.77-5.070.3119.44-21.42-18.73112.29-12.24-0.09
23Q2 (17)1.76-32.0513.550.90-16.6718.4251.8047.45-11.48100.8919.4-15.9724.7423.15-33.32127.9528.54-9.57
23Q1 (16)2.5997.7126.961.0892.8613.6835.13-49.5-21.0784.50-48.19-11.7520.09-41.97-46.4899.54-49.74-3.1
22Q4 (15)1.31-41.26-12.080.56-41.05-23.2969.5670.3613.92163.1070.8430.2834.6244.73-23.95198.0476.2140.72
22Q3 (14)2.2343.8742.950.9525.0-2.0640.83-30.23-30.1695.47-20.491.6923.92-35.53-12.57112.39-20.57-10.08
22Q2 (13)1.55-24.02-1.270.76-20.0-27.6258.5231.480.83120.0725.438.8637.10-1.1724.12141.4937.7423.45
22Q1 (12)2.0436.9137.840.9530.14-3.0644.51-27.1-27.3895.75-23.522.6537.54-17.534.98102.72-27.01-13.54
21Q4 (11)1.49-4.491.360.73-24.74-23.9661.064.45-1.1125.1933.3531.6345.5266.3749.34140.7312.5911.37
21Q3 (10)1.56-0.64-10.860.97-7.6212.7958.460.7212.7593.888.57-11.0727.36-8.4615.3124.999.06-6.51
21Q2 (9)1.576.0898.731.057.1494.4458.04-5.3-49.686.47-7.3-48.2429.89-16.41-39.05114.61-3.53-50.85
21Q1 (8)1.480.688.030.982.08-2.9761.29-0.73-7.9993.28-1.923.5635.7617.324.99118.80-5.98-3.12
20Q4 (7)1.47-16.014.840.9611.632.1361.7419.07-12.8795.11-9.91-1.9530.4828.45-23.84126.36-5.48-1.16
20Q3 (6)1.75121.5235.660.8659.26-14.8551.85-54.97-26.31105.57-36.8117.6523.73-51.61-45.11133.69-42.6714.4
20Q2 (5)0.79-42.34-40.60.54-46.53-47.57115.1572.8768.2167.0785.4989.5349.0443.9815.39233.1890.16104.36
20Q1 (4)1.377.030.01.017.450.066.61-6.00.090.07-7.140.034.06-14.890.0122.62-4.080.0
19Q4 (3)1.28-0.780.00.94-6.930.070.860.710.097.008.10.040.02-7.430.0127.849.40.0
19Q3 (2)1.29-3.010.01.01-1.940.070.362.780.089.731.790.043.231.720.0116.862.420.0
19Q2 (1)1.330.00.01.030.00.068.460.00.088.150.00.042.500.00.0114.100.00.0
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
2023 (10)10.6324.183.146.0834.32-19.51116.23-5.723.29-41.99127.261.21
2022 (9)8.5621.592.96-11.3842.64-17.78123.2612.9340.15-8.83125.747.5
2021 (8)7.0450.753.342.7751.86-33.58109.15-2.9344.048.42116.97-21.97
2020 (7)4.67-15.863.25-18.3478.0818.75112.4522.740.62-1.5149.9129.05
2019 (6)5.5514.23.98-6.7965.75-12.4591.657.1241.24-19.01116.165.85
2018 (5)4.869.954.271.6775.10-8.9685.56-1.4750.926.57109.74-9.72
2017 (4)4.420.04.2022.4582.49-0.0786.84-18.3747.7830.12121.56-20.14
2016 (3)4.42-7.533.435.8682.558.11106.38-5.6736.72-14.64152.214.18
2015 (2)4.786.943.24-8.4776.36-6.47112.779.2743.02-11.32146.107.17
2014 (1)4.4716.413.54-8.5381.64-14.01103.209.3748.5131.53136.33-10.55

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