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)2.545.396.283.39-9.67.6235.79-5.39-5.8926.8310.46-7.268.02-5.09-7.8254.601.75-6.28
24Q2 (19)2.415.77.113.75-15.1658.2337.83-5.12-6.4324.2918.03-36.888.45-4.095.6253.663.91-24.33
24Q1 (18)2.28-0.44-4.24.4217.2488.8939.870.484.4320.58-14.82-47.048.814.8824.6151.64-6.85-26.19
23Q4 (17)2.29-4.18-11.923.7719.6894.3339.684.3413.2724.16-16.49-48.378.40-3.4516.9955.44-4.84-25.72
23Q3 (16)2.396.22-15.853.1532.9143.1838.03-5.9418.6628.93-24.82-29.958.708.7516.1558.26-17.84-11.54
23Q2 (15)2.25-5.46-3.852.371.2822.1640.435.893.7738.48-0.98-18.118.0013.15-27.1470.911.36-5.43
23Q1 (14)2.38-8.4611.212.3420.6290.2438.188.99-10.1638.86-16.95-47.647.07-1.53-49.3669.96-6.27-31.91
22Q4 (13)2.60-8.4516.591.94-11.82-6.7335.039.3-14.1246.7913.296.77.18-4.14-46.1874.6413.334.68
22Q3 (12)2.8421.3713.62.2013.4-60.9932.05-17.74-11.9541.30-12.11155.897.49-31.79-22.2265.86-12.1653.48
22Q2 (11)2.349.35-0.851.9457.72-22.438.96-8.331.0946.99-36.6829.1310.98-21.35-3.7774.98-27.0318.06
22Q1 (10)2.14-4.045.941.23-40.87-38.542.504.19-5.5374.2169.2463.4913.964.656.48102.7544.1132.99
21Q4 (9)2.23-10.81.832.08-63.12-14.0540.7912.06-1.8543.85171.6916.7213.3438.5342.8371.3066.162.16
21Q3 (8)2.505.9316.285.64125.6198.4136.40-5.55-13.8716.14-55.65-66.549.63-15.6-9.8342.91-32.44-46.24
21Q2 (7)2.3616.8314.562.5025.083.8238.54-14.34-12.7936.39-19.83-45.4711.41-12.9722.4263.51-17.8-37.49
21Q1 (6)2.02-7.765.212.00-17.3678.5744.998.25-5.1445.3920.81-44.1513.1140.3639.3277.2610.7-35.23
20Q4 (5)2.191.866.312.4228.0476.6441.56-1.66-5.7837.57-22.12-43.599.34-12.5513.969.79-12.57-31.91
20Q3 (4)2.154.370.01.8938.970.042.26-4.370.048.24-27.710.010.6814.590.079.82-21.440.0
20Q2 (3)2.067.290.01.3621.430.044.19-6.830.066.73-17.890.09.32-0.960.0101.60-14.830.0
20Q1 (2)1.92-6.80.01.12-18.250.047.437.530.081.2722.030.09.4114.760.0119.2916.380.0
19Q4 (1)2.060.00.01.370.00.044.110.00.066.600.00.08.200.00.0102.500.00.0
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)8.90-13.179.4727.841.0015.1738.54-21.818.48-3.7571.05-6.62
2022 (9)10.257.447.41-2.6335.60-6.9349.292.828.81-13.276.090.08
2021 (8)9.5411.457.61-14.0138.25-10.2747.9416.1910.1517.3476.031.06
2020 (7)8.5612.048.8520.2442.63-10.8241.26-16.768.65-19.0175.23-13.22
2019 (6)7.64-18.817.36-28.8247.8023.2649.5740.3510.680.0986.6936.69
2018 (5)9.41-1.5710.3433.9438.781.5235.32-25.2510.67-15.5263.42-12.92
2017 (4)9.5617.37.72-0.7738.20-14.7147.250.712.63-22.8972.83-3.32
2016 (3)8.15-10.647.786.1444.7911.8946.92-5.816.3833.7175.33-2.91
2015 (2)9.12-7.887.339.940.038.6349.81-9.0412.2513.7477.59-4.03
2014 (1)9.900.716.67-42.0536.85-0.7854.7672.6410.7711.3880.8536.59

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