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
24Q3 (20)16.636.5369.697.6614.52.05.47-6.17-41.1211.88-12.71-1.9826.53-25.62-5.15-9.1743.5-39.57
24Q2 (19)15.61-2.532.516.69-2.62-2.95.832.64-24.4813.612.643.0335.671.7441.1-16.23-0.68-273.1
24Q1 (18)16.0139.153.946.87-11.73.785.68-28.19-35.0913.2613.43-3.4935.0617.316.13-16.12-56.66-109.62
23Q4 (17)11.5117.4543.887.783.64.717.91-14.85-30.4311.69-3.55-4.5729.896.864.47-10.29-56.62-106.63
23Q3 (16)9.80-16.81-10.57.519.0-12.379.2920.3411.7912.12-8.2514.1227.9710.6449.97-6.57-51.03-2533.33
23Q2 (15)11.7813.2758.556.894.0813.517.72-11.77-36.9813.21-3.86-11.8725.28-16.264.81-4.3543.43-238.98
23Q1 (14)10.4030.024.116.62-10.96.098.75-23.04-19.3513.7412.16-5.730.195.524.83-7.69-54.42-128.19
22Q4 (13)8.00-26.94-47.617.43-13.361.8711.3736.8290.7712.2515.35-38.1628.6153.423.64-4.98-1944.44-289.35
22Q3 (12)10.9547.38-21.288.5741.19183.778.31-32.1627.0610.62-29.15-64.7318.65-22.68-4.010.27-91.37-98.43
22Q2 (11)7.43-11.347.376.07-2.72108.5912.2512.9-6.9114.992.88-52.0324.12-16.250.083.13192.88-84.59
22Q1 (10)8.38-45.128.976.2435.9587.3910.8582.05-8.2814.57-26.45-46.6528.8024.46-0.89-3.37-228.14-133.43
21Q4 (9)15.279.78136.014.5951.9927.155.96-8.87-57.6119.81-34.21-21.4223.1419.09-22.042.63-84.74-72.58
21Q3 (8)13.91101.0141.513.023.78-32.136.54-50.3-29.3730.11-3.6547.0919.43-19.387.0517.23-15.1648.92
21Q2 (7)6.92-10.0143.872.91-12.6112.7913.1611.24-30.4431.2514.43-11.324.10-17.07-13.8720.31101.49-22.39
21Q1 (6)7.6918.8650.783.33-7.76-4.8611.83-15.86-33.6527.318.335.029.06-2.0922.0510.085.11-49.68
20Q4 (5)6.47-34.1810.63.61-18.88-12.3814.0651.84-9.5225.2123.1614.1229.6863.5327.889.59-17.11-33.5
20Q3 (4)9.83104.370.04.4572.480.09.26-51.060.020.47-41.90.018.15-35.130.011.57-55.790.0
20Q2 (3)4.81-5.690.02.58-26.290.018.926.110.035.2335.450.027.9817.510.026.1730.650.0
20Q1 (2)5.10-12.820.03.50-15.050.017.8314.740.026.0117.750.023.812.590.020.0338.90.0
19Q4 (1)5.850.00.04.120.00.015.540.00.022.090.00.023.210.00.014.420.00.0
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)48.1153.0729.7610.477.59-34.6312.26-9.5232.65-3.23-12.800
2022 (9)31.4317.7626.9455.911.61-15.1313.55-35.8433.74-0.09-8.580
2021 (8)26.6918.5717.2819.5813.68-15.6621.12-16.3933.7723.431.03-92.71
2020 (7)22.517.0914.4590.3816.22-6.5725.26-47.5127.3611.2214.12-65.46
2019 (6)21.0229.277.5996.1217.36-22.6748.12-49.0424.60-45.6640.88-42.91
2018 (5)16.26-6.443.87-25.8622.456.994.4234.9245.2765.471.6012.56
2017 (4)17.38-13.275.2245.421.0015.3269.98-31.1827.37-46.2363.61-7.82
2016 (3)20.04-36.93.5927.318.2158.49101.69-21.4650.90-26.8769.01-3.28
2015 (2)31.76-7.922.82-7.8411.498.6129.478.6369.6080.0371.35-21.69
2014 (1)34.496.853.0615.4710.58-6.45119.18-13.3138.66-16.0191.11-11.34

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