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)2.654.746.04.82-6.2312.6234.37-4.58-5.5318.876.49-11.2433.48-10.79-12.3119.7621.91.54
24Q2 (19)2.5317.13-3.075.14-12.29-1.3436.02-14.53.4217.7214.11.3737.539.6720.2116.21-30.84-23.18
24Q1 (18)2.16-12.55-17.245.8614.6842.2342.1314.3620.6115.53-12.8-29.6634.226.2724.1223.444.41-20.38
23Q4 (17)2.47-1.2-10.185.1119.3949.4236.841.2611.5317.81-16.23-33.0232.20-15.6620.9222.4515.36-31.95
23Q3 (16)2.50-4.21-7.754.28-17.8536.7436.384.458.521.2621.62-26.7938.1822.29-3.5119.46-7.77-15.39
23Q2 (15)2.610.04.825.2126.46-7.9534.83-0.29-4.7317.48-20.838.7131.2213.24-18.7421.10-28.3348.38
23Q1 (14)2.61-5.0913.484.1220.47-66.2634.935.75-11.8222.08-16.96196.3827.573.53-24.2229.44-10.76175.4
22Q4 (13)2.751.4819.053.429.27-75.433.03-1.49-16.0426.59-8.44305.9526.63-32.7-32.1532.9943.43396.84
22Q3 (12)2.718.8417.323.13-44.7-90.0833.53-8.29-14.7329.0480.6908.3339.572.9913.2823.0061.74216.37
22Q2 (11)2.498.264.185.66-53.64-78.8436.56-7.7-4.0216.08115.84372.9438.425.6124.6614.2233.0233.15
22Q1 (10)2.30-0.435.512.21-12.16-0.9739.610.69-4.97.4513.740.9536.38-7.3137.1810.6960.99-52.53
21Q4 (9)2.310.00.013.90-55.9631.0139.340.050.036.55127.43-23.6639.2512.3786.466.64-8.67-75.29
21Q3 (8)2.31-3.354.5231.5617.98210.0239.323.23-4.472.88-15.29-67.7934.9313.3415.287.27-31.93-63.28
21Q2 (7)2.399.634.3726.75116.9543.238.09-8.55-4.253.40-53.93-30.1830.8216.21-1.1510.68-52.58-20.77
21Q1 (6)2.18-5.630.9312.3316.21-21.7141.655.9-1.357.38-13.9927.6826.5225.99-17.4322.52-16.1941.81
20Q4 (5)2.314.522.6710.614.227.3939.33-4.45-2.898.58-4.03-6.8421.05-30.53-43.626.8735.71116.87
20Q3 (4)2.21-3.490.010.18-45.50.041.163.470.08.9483.570.030.30-2.820.019.8046.880.0
20Q2 (3)2.296.020.018.6818.60.039.78-5.780.04.87-15.740.031.18-2.930.013.48-15.110.0
20Q1 (2)2.16-4.00.015.7559.410.042.224.250.05.78-37.240.032.12-13.930.015.8828.170.0
19Q4 (1)2.250.00.09.880.00.040.500.00.09.210.00.037.320.00.012.390.00.0
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)9.300.6519.490.6239.26-0.6318.72-0.6427.44-23.6330.5536.26
2022 (9)9.242.4419.37-48.3339.51-2.3518.8493.4335.938.2622.4231.8
2021 (8)9.028.2837.49-9.4240.46-7.699.7410.4333.1914.5317.01-28.14
2020 (7)8.3318.8341.39807.6843.83-15.768.82-88.9828.98-33.0323.67-73.34
2019 (6)7.01-14.24.5678.1252.0316.4580.03-43.843.2712.3388.79-40.23
2018 (5)8.1713.472.567.1144.68-11.82142.39-6.9438.52-23.69148.56-3.02
2017 (4)7.20-21.142.39-20.0750.6726.8153.0125.3550.488.21153.1932.76
2016 (3)9.1344.012.9921.0539.96-30.56122.07-17.4646.65-30.86115.39-16.37
2015 (2)6.346.552.47-18.2157.55-6.26147.8922.4467.476.22137.9816.28
2014 (1)5.95-5.563.02-14.9361.395.88120.7917.5263.5215.93118.6611.98

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